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Expired Canadian patentCanada

Shoe buffing machine

CA 1263506 C · Owner: Thomas, John · Inventors: Thomas, John

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A shoe buffing machine including a replaceable buff assembly to enclosingly engage the outer surface of a shoe, means for producing relative vibratory motion between said buff assembly and a shoe positioned in said buff assembly. A button actuated mixing and spraying assembly for spraying polish on the buff assembly and the buff assembly including a buffing cloth for easy and economical replacement. The shoe buffing machine being adaptable for automatic operation on payment of a fee for use in public places including an electrical circuit for the automatic operation.

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted December 5, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 5, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 14, 1985
GrantedDecember 5, 1989
Term endedDecember 5, 2006
Patent numberCA 1263506 C
Classification (IPC)A47L23/02

Timeline

Timeline From CIPO dates

1986198919921995199820012004Application filedNov 14, 1985Patent grantedDec 5, 1989Term endedDec 5, 2006

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.